AU631735B2 - New process for the preparation of 1-(2,3,4-trimethoxybenzyl) piperazine by reductive amination - Google Patents
New process for the preparation of 1-(2,3,4-trimethoxybenzyl) piperazine by reductive aminationInfo
- Publication number
- AU631735B2 AU631735B2 AU75151/91A AU7515191A AU631735B2 AU 631735 B2 AU631735 B2 AU 631735B2 AU 75151/91 A AU75151/91 A AU 75151/91A AU 7515191 A AU7515191 A AU 7515191A AU 631735 B2 AU631735 B2 AU 631735B2
- Authority
- AU
- Australia
- Prior art keywords
- piperazine
- preparation
- trimethoxybenzyl
- reductive amination
- new process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
- C07D295/096—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/08—Vasodilators for multiple indications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Urology & Nephrology (AREA)
- Diabetes (AREA)
- Hematology (AREA)
- Obesity (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
Process for the preparation of the compound of formula I:
<IMAGE>
characterised in that 2,3,4-trimethoxybenzaldehyde is dissolved, with piperazine, and the reaction mixture is then subjected to the action of hydrogen to form the compound of formula I.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9005027A FR2661176B1 (en) | 1990-04-20 | 1990-04-20 | NEW PROCESS FOR THE PREPARATION OF 1- (2,3,4-TRIMETHOXYBENZYL) PIPERAZINE IN REDUCTIVE AMINATION. |
| FR9005027 | 1990-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU7515191A AU7515191A (en) | 1991-10-24 |
| AU631735B2 true AU631735B2 (en) | 1992-12-03 |
Family
ID=9395904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU75151/91A Expired AU631735B2 (en) | 1990-04-20 | 1991-04-19 | New process for the preparation of 1-(2,3,4-trimethoxybenzyl) piperazine by reductive amination |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5142053A (en) |
| EP (1) | EP0453365B1 (en) |
| JP (1) | JPH0735374B2 (en) |
| AT (1) | ATE114647T1 (en) |
| AU (1) | AU631735B2 (en) |
| CA (1) | CA2040884C (en) |
| DE (1) | DE69105338T2 (en) |
| DK (1) | DK0453365T3 (en) |
| ES (1) | ES2067882T3 (en) |
| FR (1) | FR2661176B1 (en) |
| IE (1) | IE65723B1 (en) |
| NZ (1) | NZ237886A (en) |
| OA (1) | OA09493A (en) |
| PT (1) | PT97425B (en) |
| ZA (1) | ZA912949B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU646926B2 (en) * | 1991-03-20 | 1994-03-10 | Duphar International Research B.V. | Alkylenedioxyphenyl ether derivatives having anti-ischaemic, memory enhancing and anti-convulsive activity |
| FR2703048B1 (en) * | 1993-03-24 | 1996-01-05 | Adir | NOVEL N-BENZYLPIPERAZINE COMPOUNDS, PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM. |
| FR2827284B1 (en) * | 2001-07-16 | 2003-10-31 | Servier Lab | NOVEL N-BENZYLPIPERAZINE DERIVATIVES, PROCESS FOR PREPARING THEM AND PHARMACEUTICAL COMPOSITIONS CONTAINING SAME |
| RU2234501C1 (en) * | 2002-12-25 | 2004-08-20 | Федеральное государственное унитарное предприятие "Государственный научный центр "Научно-исследовательский институт органических полупродуктов и красителей" | Method for preparing 1-(2,3,4-trimethoxybenzyl)-piperazine dihydrochloride |
| CN100413854C (en) * | 2004-06-29 | 2008-08-27 | 北京德众万全药物技术开发有限公司 | A kind of preparation method of trimetazidine and medicinal salt thereof |
| RU2340606C1 (en) * | 2007-06-19 | 2008-12-10 | Закрытое акционерное общество "Щелково Агрохим" | Method of obtaining 1-(2,3,4-trimethoxybenzyl)piperazine dihydrochloride |
| CN101575321B (en) * | 2009-06-18 | 2011-04-06 | 绍兴文理学院 | Production method of trimetazidine and its hydrochloride |
| CN102140084A (en) * | 2010-02-03 | 2011-08-03 | 辽宁本源制药有限公司 | A kind of production method of trimetazidine and its hydrochloride |
| CN102010386B (en) * | 2010-11-10 | 2012-07-11 | 武汉武药科技有限公司 | Method for preparing trimetazidine hydrochloride |
| CN102993122B (en) * | 2012-12-24 | 2015-03-04 | 武汉武药制药有限公司 | Novel synthesis path of trimetazidine hydrochloride |
| CN109307725B (en) * | 2018-10-31 | 2021-08-17 | 远大医药(中国)有限公司 | Analysis method of trimetazidine hydrochloride |
| CN118420566B (en) * | 2024-04-26 | 2025-03-11 | 海南锦麟医药科技有限公司 | Preparation method of high-purity trimetazidine hydrochloride |
| CN119775228B (en) * | 2024-12-31 | 2025-10-14 | 北京化工大学 | Simple and convenient method for preparing trimetazidine |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR805M (en) * | 1960-06-30 | 1961-09-01 | ||
| FR1302958A (en) * | 1961-03-21 | 1962-09-07 | Science Union & Cie | Preparations of trialkoxylated derivatives of 1-benzyl piperazine |
| JPS4930838B2 (en) * | 1971-08-25 | 1974-08-16 | ||
| NL7306771A (en) * | 1972-06-02 | 1973-12-04 | ||
| AT332863B (en) * | 1973-01-02 | 1976-10-25 | Gerot Pharmazeutika | PROCESS FOR THE PREPARATION OF NEW 2-AMINOMETHYL-4,6-DIHALOGENPHENOL DERIVATIVES AND THEIR ADDITIONAL SALTS WITH ACIDS |
| US3951970A (en) * | 1973-10-01 | 1976-04-20 | Sharps Associates | Resorcinol amine derivatives |
| JPS53112887A (en) * | 1977-03-12 | 1978-10-02 | Nippon Shinyaku Co Ltd | Production of n-substituted trialkoxybenzylpiperazine derivative |
| GB1545094A (en) * | 1976-12-14 | 1979-05-02 | Gist Brocades Nv | Piperazine derivatives |
| JPS607990B2 (en) * | 1980-10-13 | 1985-02-28 | 日本新薬株式会社 | Benzylpiperazine derivative |
| FR2493316A1 (en) * | 1980-11-06 | 1982-05-07 | Science Union & Cie | NEW PROCESS FOR THE PREPARATION OF (TRIALCOXY BENZYL) -1 PIPERAZINES AND IN PARTICULAR (TRIMETHOXY-2 ', 3', 4 'BENZYL) -1 PIPERAZINE |
| GB8305377D0 (en) * | 1983-02-25 | 1983-03-30 | Pfizer Ltd | Antifungal agents |
-
1990
- 1990-04-20 FR FR9005027A patent/FR2661176B1/en not_active Expired - Lifetime
-
1991
- 1991-04-18 ES ES91401025T patent/ES2067882T3/en not_active Expired - Lifetime
- 1991-04-18 DK DK91401025.1T patent/DK0453365T3/en active
- 1991-04-18 AT AT91401025T patent/ATE114647T1/en not_active IP Right Cessation
- 1991-04-18 DE DE69105338T patent/DE69105338T2/en not_active Expired - Lifetime
- 1991-04-18 EP EP91401025A patent/EP0453365B1/en not_active Expired - Lifetime
- 1991-04-19 NZ NZ237886A patent/NZ237886A/en unknown
- 1991-04-19 AU AU75151/91A patent/AU631735B2/en not_active Expired
- 1991-04-19 ZA ZA912949A patent/ZA912949B/en unknown
- 1991-04-19 PT PT97425A patent/PT97425B/en not_active IP Right Cessation
- 1991-04-19 IE IE131391A patent/IE65723B1/en not_active IP Right Cessation
- 1991-04-19 US US07/688,736 patent/US5142053A/en not_active Expired - Lifetime
- 1991-04-19 OA OA59992D patent/OA09493A/en unknown
- 1991-04-19 CA CA002040884A patent/CA2040884C/en not_active Expired - Lifetime
- 1991-04-19 JP JP3088011A patent/JPH0735374B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04224571A (en) | 1992-08-13 |
| NZ237886A (en) | 1992-03-26 |
| EP0453365B1 (en) | 1994-11-30 |
| CA2040884A1 (en) | 1991-10-21 |
| ATE114647T1 (en) | 1994-12-15 |
| DE69105338T2 (en) | 1995-06-08 |
| ZA912949B (en) | 1992-01-29 |
| PT97425B (en) | 1998-08-31 |
| FR2661176A1 (en) | 1991-10-25 |
| CA2040884C (en) | 1999-05-18 |
| AU7515191A (en) | 1991-10-24 |
| US5142053A (en) | 1992-08-25 |
| ES2067882T3 (en) | 1995-04-01 |
| IE911313A1 (en) | 1991-10-23 |
| DE69105338D1 (en) | 1995-01-12 |
| EP0453365A1 (en) | 1991-10-23 |
| JPH0735374B2 (en) | 1995-04-19 |
| IE65723B1 (en) | 1995-11-15 |
| DK0453365T3 (en) | 1995-05-01 |
| PT97425A (en) | 1992-01-31 |
| FR2661176B1 (en) | 1992-06-12 |
| OA09493A (en) | 1992-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Assignment registered |
Owner name: LES LABORATOIRES SERVIER Free format text: FORMER OWNER WAS: ADIR ET COMPAGNIE |